7421401025 has 12 divisors (see below), whose sum is σ = 9332152704. Its totient is φ = 5853498000.

The previous prime is 7421400997. The next prime is 7421401027. The reversal of 7421401025 is 5201041247.

It is not a de Polignac number, because 7421401025 - 2¹⁰ = 7421400001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7421400985 and 7421401003.

It is not an unprimeable number, because it can be changed into a prime (7421401027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2088761 + ... + 2092310.

It is an arithmetic number, because the mean of its divisors is an integer number (777679392).

Almost surely, 2^7421401025 is an apocalyptic number.

It is an amenable number.

7421401025 is a deficient number, since it is larger than the sum of its proper divisors (1910751679).

7421401025 is a wasteful number, since it uses less digits than its factorization.

7421401025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181152 (or 4181147 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7421401025 is about 86147.5537957985. The cubic root of 7421401025 is about 1950.5719142109.

The spelling of 7421401025 in words is "seven billion, four hundred twenty-one million, four hundred one thousand, twenty-five".